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This Designing an Open Spectrograph lesson plan also includes:
Take the class over the rainbow. Pairs or small groups follow directions to create a spectrograph. The pupils measure the angles formed by the different colors of the spectrum along with calculating the lengths formed by the spectrum and the diffraction grating. Using their measurements, learners design and build a closed spectrograph that shows the entire rainbow.
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CCSS:
Adaptable
NGSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Use as a hands-on activity during a unit on light and the electromagnetic spectrum
Classroom Considerations
- Assumes knowledge of the Pythagorean Theorem
- Requires the use of non-LED flashlights and diffraction grating
Pros
- Provides pictures to show the building process
- Includes assessment suggestions
Cons
- None